Difference between revisions of "Library submissions"

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== This page is outdated. Please refer to https://github.com/haskell/core-libraries-committee/blob/main/PROPOSALS.md instead ==
As the Haskell community has grown, and emphasis on development has
 
moved from language to libraries, the need for a more formalised process
 
for contributing to libraries has emerged. This page documents our
 
'best practices' for proposing changes to library interfaces
 
(e.g. new modules or functions, removing functions), especially for modules in the ''base'' package.
 
 
In essence, we don't want proposals to go unnoticed, but changes to
 
basic interfaces also need thorough consideration.
 
 
Under the old ad hoc system, unless a proposal meets with a chorus of
 
approval, the only way to get a decision is from SimonM or unilateral
 
action by some committer. This slowed development.
 
 
== Submitting a proposal ==
 
 
In order to ensure we have something concrete to discuss, please follow
 
the following guidlines when creating a new proposal:
 
 
* ''Submission''. Proposed changes should be submitted to libraries@haskell.org, as a [http://darcs.net darcs] patch.
 
* ''Patch''. The patch must compile against the head branch of the relevant library.
 
* ''Style'' Code should conform to normal Haskell [http://haskell.org/haskellwiki/Programming_guidelines programming guidelines] and [http://haskell.org/haskellwiki/Category:Style style] (See also [http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions GHC Working Conventions]).
 
* ''Documentation''. It must include valid [http://haskell.org/haddock Haddock documentation]
 
* ''Tests''. Code should also come with tests for the testsuite.
 
** Pure code should also come with [http://www.md.chalmers.se/~rjmh/QuickCheck/ QuickCheck] properties.
 
** Impure code should have unit tests.
 
* ''Portability''. Code should be portable. If it is not portable, reasons should be given. Ensure the code runs in at least Hugs and GHC, Windows and Linux.
 
 
To document the change, please [http://hackage.haskell.org/trac/ghc/newticket?type=proposal&component=libraries/base add a Trac ticket] of type ''proposal'' against the appropriate library component, and a timescale for consideration (to focus the community's attention):
 
 
* ''Tracking''. The submission's trac ticket should be included in the mail sent to the libraries list. Here are the [http://hackage.haskell.org/trac/ghc/query?status=new&status=assigned&status=reopened&group=component&type=proposal&order=priority proposals currently under consideration].
 
 
== Submitting ==
 
 
* [http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions Guidelines for submitting via darcs]
 
 
== At the end of the discussion period ==
 
 
* The proposer adds to the ticket a summary of the relevant parts of the discussion. (The summary is needed for anyone wondering about the change later: it's not reasonable to point people at a 50-message thread.)
 
* The ticket is closed (usually as ''fixed'' or ''wontfix'').
 
* If consensus was achieved, the change is made, with the commit message referring back to the ticket.
 
 
A deeply held disagreement at this point may require some form of government (voting, dictatorship, etc). This should be a rare event.
 
 
Here are the [http://hackage.haskell.org/trac/ghc/query?status=closed&group=component&type=proposal&order=priority archived past proposals].
 
 
[[Category:Community]]
 

Latest revision as of 00:30, 23 February 2022